Overall Red alert Tropical Cyclone for GITA-18
in Tonga

Event summary

Tropical Cyclone GITA-18 can have a high humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000436
Name GITA-18
From - To 09 Feb - 19 Feb
Exposed countries Tonga
Exposed population 80 thousand in Category 1 or higher
Maximum wind speed 231 km/h Category 4
Maximum storm surge 0.4 m (12 Feb 08:00 UTC)
Vulnerability Medium (Tonga)


For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS 231 km/h 0.4 m n.a. 1.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 155 km/h 1 m n.a. 0.5
GFS 135 km/h 1 m n.a. 0.5
ECMWF 94 km/h 0.5 m n.a. 0.5
Beta Version - All weather systems in the area: maximum expected impact (wind, storm surge, rainfall)
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Detailed event map. European Union, 2021. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Articles: 210 | About casualties: 0 | Last hour: 0

Eastern Taranaki facing another week without powerFri, 23 Feb 2018 04:34:00 +0100.

He said overgrown trees had to be cleared before sections of the network could be rebuilt. "Due to the scale of the damage, there are areas that will take at least another week to rebuild. Major construction projects are needed in some of t
Power could be out in eastern Taranaki for another weekFri, 23 Feb 2018 03:15:00 +0100.

Remote areas of Taranaki may be left without power and water for another week. While electricity has been restored to most of the 26,000 properties that were hit with power cuts during ex-cyclone Gita on Tuesday, some parts of Taranaki are
Lui Tamoto, 49 Saleaumua, AleipataThu, 22 Feb 2018 23:57:00 +0100.

In the wake of Cyclone Gita, one Pastor has claimed that the cyclone was a mild warning from God to the government over their decision to tax pastors. What do you think? Samoa Observer reporter, Nefertiti Matatia, asked members of the publi
'Devastated': Motueka Valley's raging river of logs and mudThu, 22 Feb 2018 09:07:00 +0100.

Videos have emerged of a river of mud and logs streaming through a property in the Motueka Valley, ravaged by former Cyclone Gita. Footage filmed in Woodstock shows floodwaters carrying the huge logs and debris along at breakneck pace. The

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EMSR (2), UNOSAT (1), EC-JRC (38), (1), WMO (1), INFORM (2),